Series:	91
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	1 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Rectangular - 0.375" x 0.250" Face x 0.385" H (9.53mm x 6.35mm x 9.78mm)

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Trimmer Potentiometers

Trimmer Potentiometers are electronic components used to regulate electrical circuits. The most common type of trimmer potentiometer, known as the 91WR1KLF, is a variable resistor used to change the resistance and the electrical signal of a circuit.

Application Field

Trimmer Potentiometers are most commonly used in circuit designs where a high level of precision or reliability is necessary, such as audio recording and broadcasting applications. They are also used in tuners, digital potentiometers, and voltage regulators. 91WR1KLF trimmer potentiometers are used in equipment such as radios, amplifiers, speakers, power supplies, and other audio systems. They can also be used for applications such as temperature control units, motor speed control, instrumentation controls, and measurement systems.

Working Principle

Trimmer Potentiometers work by changing the resistance of the circuit, rather than the voltage. This allows different levels of resistance to be applied to the circuit while maintaining the same voltage, allowing for very precise and reliable control over the voltage signal.When using a 91WR1KLF trimmer potentiometer, the resistance of the circuit can be adjusted using a small screwdriver on the potentiometer\'s adjustment dial. Turning the dial either clockwise or counterclockwise will increase or decrease the resistance of the circuit, respectively. Resistor ratings can range from 10 to 500 kilo-ohm with voltage ratings ranging from 2.5 to 24 volts. Trimmer Potentiometers can be used to adjust the performance of an audio system by adjusting the voltage gain or the volume. They are also used in robot controls for precise voltage control. In addition, trimmer potentiometers are used in a wide range of disciplines for precision electrical adjustment purposes.

Conclusion

Trimmer Potentiometers are critical components in a variety of electronics systems. The 91WR1KLF model is most commonly employed in audio systems due to its high precision and reliability. Through changing resistance rather than voltage, trimmer potentiometers are able to achieve highly precise and reliable levels of voltage control for audio systems and other applications.

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